18971488

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{9719}}^1$

素因数の和:9790

約数の個数: 24

約数和(自身を含む): 37966320

約数和(自身を除く): 18994832

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 9719, 19438, 38876, 77752, 155504, 311008, 592859, 1185718, 2371436, 4742872, 9485744, 18971488]

約数ペア:

[(1, 18971488), (2, 9485744), (4, 4742872), (8, 2371436), (16, 1185718), (32, 592859), (61, 311008), (122, 155504), (244, 77752), (488, 38876), (976, 19438), (1952, 9719)]